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Sigma.me
Sigma
Added: 2015-04-01 00:00:00 (9 years, 23 days, 16 hours ago)
Sigma.me is ranked #538,678 among the most popular web sites, the lower the rank indicator the more popular is the web site and the more visitors it has. Sigma.me is registered in 2010-12-23 owned by df Liu, website’s age 13 years, 4 months, 1 day years. The number of unique users visiting this website every day is 880. Each individual visits 2.3 unique pages per day. Approximate time spent on a web site 3:37. It has 71 backlinks according to Alexa. Sigma.me daily advertisement revenue is $18 USD. According to our analysis the approximate value of the website is $6,336 US Dollars. Most popular search engine request "python print". Website’s IP address is 159.226.40.176 which is hosted by CHINA SCIENCE AND TECHNOLOGY NETWORK, site server is located in Beijing 22 in China. Google PageRank™ of the website is 3 of 10. Sigma.me reputation rank is 20 of 100. The web site is not listed in DMOZ open directory project.
880
visitors/daily
$18 USD
daily
$6,336 USD
total
| Overview Information about Sigma.me | |
|---|---|
| Title |
|
| Description | 这是Sigma的博客，Sigma是一名爱好计算机，爱好数学的IT人，在本博客我会写一些关于计算机领域的一些技术文章和评论，也包括我的生活点滴。Sigma的意思是求和，我认为人生就是一个不断Sigma（求和，学习其实就是一种）的过程，本博客将记录我在计算机以及人生道路上不断Sigma（求和异或学习）的过程。本博客为关注IC以及底层技术的原创博客.This is Sigma's blog, an ITer's blog; I love computing and mathmatics, and I will write some article or review about computing technology and some article about my life |
| Keywords | sigma, mathmatics, hardware, computing, ic, verification, software, 西格玛, 计算机, 数学 |
| Alexa Rank | #538,678 |
| Alexa Backlinks | 71 |
| Estimated Daily Traffic | 880 visitors |
| Estimated Daily Revenue | $17.60 USD |
| Website Worth | $6,336.00 USD |
| Domain Name | Sigma.me |
| Domain Created | 2010-12-23 (13 years, 4 months, 1 day ago) |
| Domain Expires | 2014-12-23 (in 9 years, 4 months, 1 day) |
| Domain Registrar | doMEn |
| Domain Owner | df Liu |
| Domain Nameservers |
ns07.domaincontrol.com (216.69.185.4) ns08.domaincontrol.com (208.109.255.4) |
| Google Analytics ID | UA-18634138 |
| Google Adsense ID | pub-3779579820082790 |
| Google PageRank™ |
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|
| Server IPs | 159.226.40.176 |
| Server Provider | CHINA SCIENCE AND TECHNOLOGY NETWORK |
| Server Location | 
China, Beijing |
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Sigma.me is visited by around 880 unique visitors per day. Every visitor of this website viewing approximately 2.3 pages per day.
We found 71 backlinks to Sigma.me from other web sites. The largest number of backward links are 0, the smallest number of links are 0, the average number of links are 0 refer to this web site.
Using information from users, and other reliable sources, Sigma.me has the reputation 80 out of 100.
- Trustworthiness is 80 points. Shows general level of users trust for this website.
- Vendor reliability is NA points. This shows the trust level for business operations on the website.
- Privacy is NA points. The trust level for protection of users privacy.
- Child Safety is NA points. Trust level for its availability for children.
Main HTML elements that might affect on search engines ranking.
| <H1> Tags: | 1 | <H2> Tags: | 6 |
|---|---|---|---|
| <H3> Tags: | 8 | <H4> Tags: | 0 |
| <H5> Tags: | 0 | <H6> Tags: | 0 |
| IFrames: | 1 | Flash: | No |
| Total Links: | 176 | Total Images: | 3 |
| Language: | Chinese-utf8 | Text/Html Ratio: | 46.22% |
| Doctype: | Yes | Microformats: | Not found |
| Meta | Content |
|---|---|
| description | 这是Sigma的博客，Sigma是一名爱好计算机，爱好数学的IT人，在本博客我会写一些关于计算机领域的一些技术文章和评论，也包括我的生活点滴。Sigma的意思是求和，我认为人生就是一个不断Sigma（求和，学习其实就是一种）的过程，本博客将记录我在计算机以及人生道路上不断Sigma（求和异或学习）的过程。本博客为关注IC以及底层技术的原创博客.This is Sigma's blog, an ITer's blog; I love computing and mathmatics, and I will write some article or review about computing technology and some article about my life |
| keywords | sigma, mathmatics, hardware, computing, IC, verification, software, 西格玛, 计算机, 数学 |
| content-type | text/html; charset=UTF-8 |
| x-ua-compatible | IE=EmulateIE7 |
| generator | WordPress 3.1.4 |
The top queries driving traffic to Sigma.me from search engines.
| Query | Search Traffic |
|---|---|
| sigma | 12.40% |
| test与[区别 | 9.57% |
| python print 换行符 | 8.59% |
| vim 统计字数 | 7.39% |
| spotlight 正则 | 6.74% |
| 使用jar 中class中的方法 | 5.63% |
| cloudflare 被墙 | 4.83% |
| 数据库 redis 协调 | 4.34% |
| androidsdk linux | 2.53% |
| ipv6toipv4 | 2.39% |
High impact keywords that attract search engine traffic.
Visitor's map indicates that Sigma.me has 880 daily visitors from 1 countries, 69.90% of visitors come from China .
| Country | Percent of Visitors | Daily Visitors |
|---|---|---|
| China |
69.90% | 615 |
Detailed information about the server that hosts Sigma.me
| Server IPs: | 159.226.40.176 |
|---|---|
| Server Name: | Apache/2.2.3 (CentOS) |
| Server Provider: | CHINA SCIENCE AND TECHNOLOGY NETWORK |
| Server Location: |
Beijing 22 in China
|
| Charset: | UTF-8 |
| Powered By: | PHP/5.1.6 |
Server located:
Beijing 22 in China
The IP address of Sigma.me is 159.226.40.176.
From the HTTP headers of Sigma.me, you will know that HTTP status code is HTTP/1.1 200 OK, server name is Apache/2.2.3 (CentOS).
| HTTP/1.1 200 OK |
| Date : Mon, 04 Mar 2013 06:56:35 GMT |
| Server : Apache/2.2.3 (CentOS) |
| X-Powered-By : PHP/5.1.6 |
| X-Pingback : http://www.sigma.me/xmlrpc.php |
| Vary : Accept-Encoding,User-Agent |
| Content-Encoding : gzip |
| Connection : close |
| Transfer-Encoding : chunked |
| Content-Type : text/html; charset=UTF-8 |
The ratio of outbound links to inbound links influences the distribution of the weight of a website as a whole.
- This website contains 45 outbound links. The maximum value is 0, the minimum value is 0, while the average value is 0.
- This website contains 126 internal links. The maximum value is 0, the minimum value is 0, while the average value is 0.
The chart shows how Sigma.me indexed in major search engines.
- Google indexed 0 pages. The maximum value is 0, the minimum value is 0, while the average value is 0.
- Yahoo indexed 0 pages. The maximum value is 0, the minimum value is 0, while the average value is 0.
- Bing indexed 0 pages. The maximum value is 0, the minimum value is 0, while the average value is 0.
PageRank™ is a link analysis algorithm used by Google™.
Google™ assigned this website a Pagerank of 3. The maximum value is 0, the minimum value is 0, while the average value is 0.
The W3C Markup Validation Service is a validator by the World Wide Web Consortium (W3C), which allows Internet users to check HTML and XHTML documents for well-formed markup.
- This website has 0 Error(s). The maximum value is 0, the minimum value is 0, while the average value is 0.
- This website has 0 Warning(s). The maximum value is 0, the minimum value is 0, while the average value is 0.
- Validation details: W3C HTML Validation.
Links (even if they have nofollow attributes) from major social networks is a "human" signal for search engines, which has some influence (non-determining influence) on the position of your website in search results.